Motors: expansible chamber type – Working member position responsive motive fluid control – Venting expanding chamber
Patent
1998-04-22
2000-04-18
Look, Edward K.
Motors: expansible chamber type
Working member position responsive motive fluid control
Venting expanding chamber
91422, F15B 1522
Patent
active
060501715
ABSTRACT:
A hydraulic power steering gear assembly includes an assembly body defining a piston chamber having opposed chamber ends with plunger passages formed in the ends, a reciprocating piston and a chamber having opposed ends and a passage extending between the piston ends, a check valve at each end of the piston passage, and a plunger assembly in each plunger passage with each assembly including a spring frictionally holding assembly in the passage and a poppet extending into the chamber to unseat a ball valve as the piston is moved toward one end of the chamber.
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TRW, "TAS Poppets", Jan. 1992, pp. 1-15.
Hooker, P.C. Thomas
Look Edward K.
R.H. Sheppard Company, Inc.
Rodriguez Hermes
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